Illumination system and illumination method thereof

1. An illumination system, comprising:

a first illumination apparatus, providing a first illumination light irradiating a first target region;

a first environmental detection unit, detecting an environmental condition of a position of the first illumination apparatus, so as to produce a first environmental information; and

a control circuit, coupled to the first illumination apparatus and the first environmental detection unit and configured to choose a corresponding illumination result prediction model according to the first environmental information and adjust an illumination character of the first illumination light according to the illumination result prediction model and the first environmental information, such that an illumination result of the first target region complies with a default specification, wherein the default specification comprises at least one illumination parameter, wherein the first environmental information comprises a scattering light after the first illumination light enters a road surface.

2. The illumination system as claimed in claim 1 , further comprising:

a second illumination apparatus, disposed at a default distance from the first illumination apparatus and configured to provide a second illumination light irradiating a second target region; and

a second environmental detection unit, detecting an environmental condition of a position of the second illumination apparatus, so as to produce a second environmental information and transmit the second environmental information to the first environmental detection unit, wherein the control circuit chooses a corresponding illumination result prediction model according to the first environmental information and the second environmental information and adjusts the illumination character of the first illumination light according to the illumination result prediction model, the first environmental information, and the second environmental information, such that the illumination result of the first target region complies with the default specification.

3. The illumination system as claimed in claim 1 , wherein the first environmental information comprises at least one of a light reflection character of the first target region and a weather condition.

4. The illumination system as claimed in claim 3 , wherein the first environmental detection unit comprises an image capturing apparatus, and the control circuit controls the image capturing apparatus to capture an image of the first target region, obtain a captured image, and compare the captured image with a default image, so as to determine a light reflection character of the first target region and choose a corresponding illumination result prediction model according to the light reflection character of the first target region.

5. The illumination system as claimed in claim 1 , wherein the first environmental detection unit comprises a humidity sensor.

6. The illumination system as claimed in claim 1 , wherein the illumination result of the first target region comprises at least one of a luminance and a light uniformity of the first target region, and the control circuit further adjusts the illumination character of the first illumination light according to a change of the at least one of the luminance and the light uniformity of the first target region, such that the illumination result of the first target region complies with the default specification.

7. The illumination system as claimed in claim 1 , wherein the illumination character of the first illumination light comprises at least one of an angle of incidence at which the first illumination light enters the first target region, a wavelength of the first illumination light, and a light intensity of the first illumination light.

8. The illumination system as claimed in claim 1 , wherein the first illumination apparatus comprises light emitting elements equipped with a rotatable mechanism or a reflective plate, wherein a position or a light path of the light emitting element is adjusted or changed through adjusting the rotatable mechanism or a rotation angle of the reflective plate.

9. An illumination method of an illumination system, comprising:

providing a first illumination apparatus to provide a first illumination light to irradiate a first target region;

detecting an environmental condition of a position of the first illumination apparatus and producing a first environmental information;

selecting a corresponding illumination result prediction model according to the first environmental information; and

adjusting an illumination character of the first illumination light according to the illumination result prediction model and the first environmental information, such that an illumination result of the first target region complies with a default specification, and that the default specification comprises at least one illumination parameter, wherein the first environmental information comprises a scattering light after the first illumination light enters a road surface.

10. The illumination method of the illumination system as claimed in claim 9 , further comprising:

providing a second illumination apparatus disposed at a default distance from the first illumination apparatus, wherein the second illumination apparatus provides a second illumination light irradiating a second target region;

detecting an environmental condition of a position of the second illumination apparatus, so as to produce a second environmental information;

selecting a corresponding illumination result prediction model according to the s environmental information and the second environmental information; and

adjusting an illumination character of the first illumination light according to the illumination result prediction model, the first environmental information, and the second environmental information, such that the illumination result of the first target region complies with the default specification.

11. The illumination method of the illumination system as claimed in claim 9 , wherein the first environmental information comprises at least one of a light reflection character of the first target region and a weather condition.

12. The illumination method of the illumination system as claimed in claim 11 , wherein the step of detecting the environmental condition comprises:

capturing an image of the first target region for acquiring a captured image;

comparing the captured image with a default image for determining the light reflection character of the first target region; and

selecting a corresponding illumination result prediction model according to the light reflection character of the first target region.

13. The illumination method of the illumination system as claimed in claim 9 , wherein the first environmental information comprises an environmental humidity.

14. The illumination method of the illumination system as claimed in claim 9 , wherein the illumination result of the first target region comprises at least one of a luminance and a light uniformity of the first target region, and the illumination method of the illumination system comprises:

adjusting the illumination character of the first illumination light according to the illumination result prediction model and a change of the at least one of the luminance and the light uniformity of the first target region, such that the illumination result of the first target region complies with the default specification.

15. The illumination method of the illumination system as claimed in claim 9 , wherein the illumination character of the first illumination light comprises at least one of an angle of incidence at which the first illumination light enters the first target region, a wavelength of the first illumination light, and a light intensity of the first illumination light.

16. The illumination method as claimed in claim 9 , wherein the first illumination apparatus comprises light emitting elements equipped with a rotatable mechanism or a reflective plate, wherein a position or a light path of the light emitting element is adjusted or changed through adjusting the rotatable mechanism or a rotation angle of the reflective plate.